Yun Geunsu (Korean: 윤근수; Hanja: 尹根壽, 1537–1619) was a Korean scholar-official of the Joseon period. His art names were Woljeong (월정; 月汀), Woeam (외암; 畏菴), and his courtesy name was Jago (자고; 子固).

Family

• Father
  • Yun Byeon (윤변; 尹忭; 1493 – 8 July 1549)
• Mother
  • Biological - Lady Hyeon of the Palgeo Hyeon clan (팔거현 씨( 八莒 玄氏; ? – 1544); Yun Byeon's second wife
    • Grandfather - Hyeon Yun-myeong (현윤명; 玄允明)
  • Step - Lady Yi of the Jeonju Yi clan (전주 이씨; 全州 李氏); Yun Byeon's first wife
• Siblings
  • Older half-brother - Yun Dam-su (윤담수; 尹聃壽)
  • Older half-brother - Yun Chun-su (윤춘수; 尹春壽; 1521 – ?)
  • Older half-brother - Yun Gi-su (윤기수; 尹期壽)
  • Older half-sister - Lady Yun of the Haepyeong Yun clan (해평 윤씨)
  • Older brother - Yun Doo-su (윤두수; 尹斗壽; 1533–1601)
• Wife and children
  • Lady Jo of the Pungyang Jo clan (풍양 조씨; 豐壤 趙氏)
    • Son - Yun Hwan (윤환; 尹晥; 1556 – ?)
    • Son - Yun Jil (윤질; 尹晊)
    • Son - Yun Myeong (윤명, 尹㫥)
    • Son - Yun Yu (윤유; 尹曘)
    • Son - Yun Hwan (윤환, 尹㬇)
    • Son - Yun Min (윤민; 尹旼)

Popular culture

• Portrayed by Lee Won-bal in the 2004–2005 KBS1 TV series Immortal Admiral Yi Sun-sin.